Quantum anti-dots in a PPV matrix: physical origins of time-resolved spectral behaviour

Author

Bakueva, L. ; Musikhin, S. ; Sargent, E.H.

Author_Institution

Dept. of Electr. & Comput. Eng., Toronto Univ., Ont., Canada

fYear

2001

fDate

2001

Firstpage

437

Lastpage

439

Abstract

Modification of the structure and properties of conjugated polymers achieved by embedding wide gap dielectric nanocrystals (antidots) was investigated by means of time-resolved luminescence spectroscopy. Antidots strongly modify the luminescence spectrum of PPV. The temporal evolution of luminescence spectra in polymer-antidot composites reveals a series of characteristic times. The shortest of these are independent of antidot material and describe processes in the polymer matrix; longer times may relate to carrier capture by the nanocrystals

Keywords

filled polymers; optical polymers; photoluminescence; quantum dots; time resolved spectra; PPV matrix; Y₂O₃; Y₂O₃ nanoparticles; characteristic times; conjugated polymers; polymer-antidot composites; quantum antidots; temporal evolution; time-resolved luminescence spectroscopy; time-resolved spectral behaviour; wide gap dielectric nanocrystals; Atmospheric measurements; Dielectric materials; Embedded computing; Luminescence; Nanocrystals; Photonic band gap; Physics computing; Polymers; Spectroscopy; Wavelength measurement;

fLanguage

English

Publisher

ieee

Conference_Titel

Nanotechnology, 2001. IEEE-NANO 2001. Proceedings of the 2001 1st IEEE Conference on

Conference_Location

Maui, HI

Print_ISBN

0-7803-7215-8

Type

conf

DOI

10.1109/NANO.2001.966462

Filename

966462